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1981 Niagara 35

Listed
Sold

Seller's Description

This is a classic that was built by Hinterhoeller Yachts for open water cruising. Thoughtful use of available space allows for great storage space and generates a roomy, spacious feel belowdecks not normally found in a 35-foot sailboat. This boat was built like a tank for handling any reasonable seas. The seller will attest that she handles unreasonable seas better than the crew.

Another feature rarely found in vessels of this size is a manufacturer-installed fireplace/heater which would be appreciated on adventures to the colder climes.

This boat had a bottom job in 2020. Also in 2020, old batteries and thru-hulls were replaced with new ones. In 2019 the staysail and chain plate were replaced and radar installed. It was installed to manufacturer’s spec and can be insured. The fireplace is a wood burner and can also burn manufactured logs, coal or charcoal briquettes. It keeps the entire boat t-shirt temperature all winter long.

At present the boat is buttoned up and prepped for shipping. The only thing required for the boat to travel is to de-step the mast. A sizable price reduction could be expected for the buyer that will take it as is.

The seller is in the midst of converting this masthead sloop rig to a cutter-rigged sloop. All that would be required to complete this conversion is the installation of a pair of pad eyes on the deck and a second set of winches on the coaming.

The conventional head has bee converted to a composting toilet with the holding tank space now occupied by a bank of 6 batteries along the centerline to improve the balance of the boat. The batteries are broken into a bank of 4 house batteries and 2 engine/windlass batteries.

All total, this is a great package for the cruise-minded sailor. A quality vessel at a good price.

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Specs

Designer
Mark Ellis
Builder
Hinterhoeller Yachts Ltd.
Associations
?
# Built
260
Hull
Monohull
Keel
Fin
Rudder
Spade
Construction
FG w/balsa cored hull & deck

Dimensions

Length Overall
35′ 0″ / 10.7 m
Waterline Length
26′ 8″ / 8.1 m
Beam
11′ 5″ / 3.5 m
Draft
5′ 2″ / 1.6 m
Displacement
14,000 lb / 6,350 kg
Ballast
5,500 lb / 2,495 kg (Lead)

Rig and Sails

Type
Sloop
Reported Sail Area
598′² / 55.6 m²
Total Sail Area
598′² / 55.5 m²
Mainsail
Sail Area
237′² / 22.1 m²
P
37′ 11″ / 11.6 m
E
12′ 6″ / 3.8 m
Air Draft
?
Foresail
Sail Area
360′² / 33.5 m²
I
45′ 0″ / 13.7 m
J
16′ 0″ / 4.9 m
Forestay Length
47′ 9″ / 14.6 m

Auxilary Power

Make
Universal
Model
M24D
HP
35
Fuel Type
Diesel
Fuel Capacity
30 gal / 114 l
Engine Hours
?

Accomodations

Water Capacity
80 gal / 303 l
Holding Tank Capacity
?
Headroom
?
Cabins
?

Calculations

Hull Speed
7.0 kn
Classic: 6.92 kn

Hull Speed

The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.

Formula

Classic hull speed formula:

Hull Speed = 1.34 x √LWL

A more accurate formula devised by Dave Gerr in The Propeller Handbook replaces the Speed/Length ratio constant of 1.34 with a calculation based on the Displacement/Length ratio.

Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio.311
Hull Speed = Max Speed/Length ratio x √LWL

7.03 knots
Classic formula: 6.92 knots
Sail Area/Displacement
16.5
16-20: good performance

Sail Area / Displacement Ratio

A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.

Formula

SA/D = SA ÷ (D ÷ 64)2/3

  • SA: Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
  • D: Displacement in pounds.
16.47
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
39.3
<40: less stiff, less powerful

Ballast / Displacement Ratio

A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.

Formula

Ballast / Displacement * 100

39.29
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
329.3
275-350: heavy

Displacement / Length Ratio

A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.

Formula

D/L = (D ÷ 2240) ÷ (0.01 x LWL)³

  • D: Displacement of the boat in pounds.
  • LWL: Waterline length in feet
329.33
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
28.7
20-30: coastal cruiser

Comfort Ratio

This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.

Formula

Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)

  • D: Displacement of the boat in pounds
  • LWL: Waterline length in feet
  • LOA: Length overall in feet
  • Beam: Width of boat at the widest point in feet
28.72
<20: lightweight racing boat
20-30: coastal cruiser
30-40: moderate bluewater cruising boat
40-50: heavy bluewater boat
>50: extremely heavy bluewater boat
Capsize Screening
1.9
<2.0: better suited for ocean passages

Capsize Screening Formula

This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.

Formula

CSV = Beam ÷ ³√(D / 64)

  • Beam: Width of boat at the widest point in feet
  • D: Displacement of the boat in pounds
1.89
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

The first NIAGARA 35 was shown at the 1978 Toronto International Boat Show. About half of the 260 hulls built at the St. Catharines Ont. plant went to the U.S.
The original interior has 2 quarterberths in a cabin just inside the companionway. The head and galley separate it from the main saloon which extends forward of the mast with the forepeak left as storage. In 1984, a second interior (The Encore) was in introduced. This featured a large double berth forward, separated from the main saloon by a head and shower. A u-shaped galley is located to port next to the companionway, with a quarterberth and nav station to starboard.
A Volvo 21-hp diesel was the standard auxiliary. Later, this was changed to a three-cylinder Volvo, or four-cylinder Westerbeke. The bowsprit was extended in 1985.

This listing is presented by PopYachts.com. Visit their website for more information or to contact the seller.

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